Blog
Guides on domain health, email security, and SSL management.
Dangling DNS Records: The Subdomain Takeover Risk You're Probably Ignoring
Dangling CNAME records let attackers hijack your subdomains. Learn how to find and fix them before someone else does.
Email Deliverability Checklist: SPF, DKIM, and DMARC Setup Guide
A practical checklist for configuring SPF, DKIM, and DMARC to stop your emails landing in spam. Covers common mistakes and how to verify your setup.
SSL Certificate Expiry: How to Check, Monitor, and Avoid Downtime
Learn how SSL certificates expire, what happens when they do, and how to set up monitoring so you never get caught out.
DMARC Policy: None vs Quarantine vs Reject Explained
DMARC's three policy levels determine what happens to emails that fail authentication. Here's what each one does and when to use it.
SPF Record Exceeds 10 DNS Lookups: How to Fix It
Your SPF record is breaking email delivery because it exceeds the 10-lookup limit. Here's why it happens and exactly how to fix it.